package ooday03;

public class InterfaceDemo {
    public static void main(String[] args) {

    }
}


interface Inter{
    void show();
    void test();
}
interface Inter1{
    void show();
    void test();
}
class Aoo implements Inter1{
    public void show(){}
    public void test(){}
}
interface Inter2{
    void show();
}
interface Inter3{
    void test();
}
abstract class Boo{
    abstract void say();
}
class Coo extends Boo implements Inter2,Inter3 {
    public void show() {
    }

    public void test() {
    }

    void say() {
    }

    //演示接口继承接口
    interface Inter4 {
        void show();
    }

    interface Inter5 extends Inter4 {
        void test();
    }

    class Doo implements Inter5 {
        public void test() {
        }

        public void show() {
        }
    }
}









